In pictures: Attack on Westminster Bridge, British Parliament
An attack in central London has left at least five dead, including the attacker and a police officer, as a car was driven into pedestrians on Westminster Bridge and rammed into fences outside the UK parliament.
Tourists and lawmakers were thrown into panic on Wednesday in Westminster, London, as an attacker drove into pedestrians and rammed a fence near the UK parliament.
Images from the scene show an MP attending to a victim, heavily armed police flooding the scene and workers evacuating the area.
Malcolm Turnbull responds to attack: